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Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
327 248 215 279 468 391 1981-2012
Adjustments
9 -3 -8 115 53 158 1981-2012
Revision Increases
63 38 45 46 34 65 1981-2012
Revision Decreases
84 69 40 64 12 209 1981-2012
Sales
66 12 0 5 1 25 2000-2012
Acquisitions
52 5 0 23 144 0 2000-2012
Extensions
19 22 15 2 13 4 1981-2012
New Field Discoveries
0 0 0 0 0 0 1981-2012
New Reservoir Discoveries in Old Fields
29 0 0 0 0 0 1981-2012
Estimated Production
81 60 45 53 42 70 1981-2012
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Illinois, Indiana, Maryland, Missouri, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 4/10/2014
Next Release Date: 4/30/2015